London Heathrow (LHR) to Seattle / Tacoma (SEA) flight deal in economy from $713
LHRLondon Heathrow Airport
London Heathrow, United Kingdom
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
$900 USD
-21%$713 USD
Verified about 11 hours agoSeptember 2026
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Good Availability
48% of dates checked are available within 10% of the lowest price
Tuesday, September 29th, 2026
3 round-trip options
Returning
Sun, Oct 4, 2026•5 Day Trip
$728 USD
Returning
Fri, Oct 9, 2026•10 Day Trip
$732 USD
Returning
Sun, Oct 11, 2026•12 Day Trip
$730 USD